Minor Moves: MacDougal, Carson, Ambriz, Martin

The Mariners have agreed to terms with reliever Mike MacDougal on a minor-league deal, Bob Dutton of the Tacoma News Tribune tweets. MacDougal, 37, had been pitching for the independent Camden Riversharks. The veteran spent 2013 at the Triple-A level and last appeared in the big leagues in 2012, struggling in seven appearances with the Dodgers.

The Angels have released lefty Robert Carson, MiLB.com has announced. The Angels claimed him from the Mets in October, then outrighted him in March. He pitched 33 innings for the Mets in 2012 and 2013 combined, posting a 6.82 ERA with 3.5 K/9 and 3.0 BB/9. He struggled for Triple-A Salt Lake this season, posting 13 walks against nine strikeouts in 15 2/3 innings there.

The Padres outrighted pitcher Hector Ambriz to Triple-A El Paso, although it’s not clear whether he will accept the assignment, MLB.com’s Corey Brock tweets. The Padres designated Ambriz for assignment on Thursday. He appeared in one game with them, after having spent the 2013 season with the Astros.

The Diamondbacks have purchased outfielder Dustin Martin from the independent Sugar Land Skeeters, Chris Cotillo of MLB Daily Dish tweets. Martin, 30, also played for both Sugar Land and in the Diamondbacks organization in 2013, when he batted .295/.378/.502 in 249 plate appearances for the Diamondbacks’ Double-A Mobile affiliate.

The Mets have outrighted infielder Omar Quintanilla to Triple-A Las Vegas, ESPN New York’s Adam Rubin tweets. Quintanilla had hit .207/.258/.241 in 31 plate appearances in the big leagues this season. The Mets designated Quintanilla for assignment on Wednesday, making room on their active roster for Wilmer Flores.